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XML External Entity Reference in Apache Jena

High severity GitHub Reviewed Published Sep 20, 2021 to the GitHub Advisory Database • Updated Feb 1, 2023

Package

maven org.apache.jena:jena-core (Maven)

Affected versions

< 4.2.0

Patched versions

4.2.0

Description

A vulnerability in XML processing in Apache Jena, in versions up to 4.1.0, may allow an attacker to execute XML External Entities (XXE), including exposing the contents of local files to a remote server.

References

Published by the National Vulnerability Database Sep 16, 2021
Reviewed Sep 17, 2021
Published to the GitHub Advisory Database Sep 20, 2021
Last updated Feb 1, 2023

Severity

High

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(68th percentile)

Weaknesses

Improper Restriction of XML External Entity Reference

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. Learn more on MITRE.

CVE ID

CVE-2021-39239

GHSA ID

GHSA-7rp6-w7mg-h8rw

Source code

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